Which is cheaper, the Hamilton American Classic Valiant Auto or the Straton Syncro MKII Mechanical Chrono?

At MSRP the Straton Syncro MKII Mechanical Chrono is the cheaper of the two at $599, against $645 for the Hamilton American Classic Valiant Auto — a $46 gap before any retailer discounting.

Which is bigger, the Hamilton American Classic Valiant Auto or the Straton Syncro MKII Mechanical Chrono?

The Straton Syncro MKII Mechanical Chrono wears larger at 40mm versus 34mm for the Hamilton American Classic Valiant Auto — a 6mm difference across the dial.

Which has better water resistance, the Hamilton American Classic Valiant Auto or the Straton Syncro MKII Mechanical Chrono?

The Straton Syncro MKII Mechanical Chrono is rated to 100m versus 50m for the Hamilton American Classic Valiant Auto.

What movement does the Hamilton American Classic Valiant Auto run compared to the Straton Syncro MKII Mechanical Chrono?

The Hamilton American Classic Valiant Auto runs a automatic caliber (H-10), while the Straton Syncro MKII Mechanical Chrono runs a manual (Seagull ST19).

Side by side

Hamilton American Classic Valiant AutovsStraton Straton Syncro MKII Mechanical Chrono

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Hamilton American Classic Valiant Auto

h39415754

MSRP $645

Straton Straton Syncro MKII Mechanical Chrono

straton-syncro-mkii-mechanical-chrono

MSRP $599

At a glance

19 of 29 specs differ

Diameter

American Classic Valiant Auto34mm

Straton Syncro MKII Mechanical Chrono40mm

Power Reserve

American Classic Valiant Auto80h

Straton Syncro MKII Mechanical Chrono—

Water Resistance

American Classic Valiant Auto50m

Straton Syncro MKII Mechanical Chrono100m

MSRP

American Classic Valiant Auto$645

Straton Syncro MKII Mechanical Chrono$599

Full specifications

Case

9 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Domed

AR Coating

Inner

Underside

Dial Color

Silver

—

Indices

Applied

—

Movement

5 specs

Caliber

H-10

Seagull ST19

Type

Automatic

Manual

Beat Rate

28,800 vph

0 vph

Power Reserve

80h

Jewels

Pricing

1 specs

MSRP

$645

$599

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